What do the format rules mean when they list legal sets? In MTG, a set refers to a collection of cards that are published by WOTC
Ramp This deck doesn't contain a hefty ramp package outside the standard set of mana rocks, but it doesn't need it: the deck runs a lot of low-cost spells with effects that work especially well with Deadpool, Trading Card, so the standard mana rock package (Sol Ring, Arcane Signet, and one more two-mana artifact) should be enough
Lastly, the game rules include the following: "108.2a: Most Magic games use only traditional Magic cards, which measure approximately 2.5 inches (6.3 cm) by 3.5 inches (8.8 cm)
Living among the Covewalkers, Moritte absorbed all their knowledge and secrets before vanishing into the mists
In competitive play, Mega Latias ex brings its own strengths